/*
 * Copyright 2010-2013 Susanta Tewari. <freecode4susant@users.sourceforge.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package commons.is;

/**
 * @since since
 * @version version
 * @author Susanta Tewari
 * @history Created on 12/18/13.
 */
abstract class Iterator_IS {

    private boolean hasNext;

    final boolean hasNext() {
        return hasNext ? hasNextImpl() : false;
    }

    protected abstract boolean hasNextImpl();

    void start() {
        hasNext = true;
    }

    final void stop() {
        hasNext = false;
    }
}
